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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package block_rss_client
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* @subpackage backup-moodle2
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* Define all the restore steps that wll be used by the restore_rss_client_block_task
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*/
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/**
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* Define the complete rss_client structure for restore
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*/
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class restore_rss_client_block_structure_step extends restore_structure_step {
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protected function define_structure() {
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$paths = array();
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$paths[] = new restore_path_element('block', '/block', true);
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$paths[] = new restore_path_element('rss_client', '/block/rss_client');
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$paths[] = new restore_path_element('feed', '/block/rss_client/feeds/feed');
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return $paths;
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}
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public function process_block($data) {
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global $DB;
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$data = (object)$data;
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$feedsarr = array(); // To accumulate feeds
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// For any reason (non multiple, dupe detected...) block not restored, return
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if (!$this->task->get_blockid()) {
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return;
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}
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// Iterate over all the feed elements, creating them if needed
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if (isset($data->rss_client['feeds']['feed'])) {
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foreach ($data->rss_client['feeds']['feed'] as $feed) {
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$feed = (object)$feed;
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// Look if the same feed is available by url and (shared or userid)
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$select = 'url = :url AND (shared = 1 OR userid = :userid)';
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$params = array('url' => $feed->url, 'userid' => $this->task->get_userid());
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// The feed already exists, use it
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if ($feedid = $DB->get_field_select('block_rss_client', 'id', $select, $params, IGNORE_MULTIPLE)) {
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$feedsarr[] = $feedid;
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// The feed doesn't exist, create it
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} else {
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$feed->userid = $this->task->get_userid();
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$feedid = $DB->insert_record('block_rss_client', $feed);
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$feedsarr[] = $feedid;
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}
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}
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}
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// Adjust the serialized configdata->rssid to the created/mapped feeds
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// Get the configdata
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$configdata = $DB->get_field('block_instances', 'configdata', array('id' => $this->task->get_blockid()));
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// Extract configdata
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$config = unserialize_object(base64_decode($configdata));
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// Set array of used rss feeds
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$config->rssid = $feedsarr;
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// Serialize back the configdata
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$configdata = base64_encode(serialize($config));
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// Set the configdata back
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$DB->set_field('block_instances', 'configdata', $configdata, array('id' => $this->task->get_blockid()));
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}
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}
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